diff -r 000000000000 -r 6474c204b198 dom/events/MouseEvent.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/dom/events/MouseEvent.h	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,125 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef mozilla_dom_MouseEvent_h_
+#define mozilla_dom_MouseEvent_h_
+
+#include "mozilla/dom/UIEvent.h"
+#include "mozilla/dom/MouseEventBinding.h"
+#include "mozilla/EventForwards.h"
+#include "nsIDOMMouseEvent.h"
+
+namespace mozilla {
+namespace dom {
+
+class MouseEvent : public UIEvent,
+                   public nsIDOMMouseEvent
+{
+public:
+  MouseEvent(EventTarget* aOwner,
+             nsPresContext* aPresContext,
+             WidgetMouseEventBase* aEvent);
+
+  NS_DECL_ISUPPORTS_INHERITED
+
+  // nsIDOMMouseEvent Interface
+  NS_DECL_NSIDOMMOUSEEVENT
+
+  // Forward to base class
+  NS_FORWARD_TO_UIEVENT
+
+  virtual JSObject* WrapObject(JSContext* aCx) MOZ_OVERRIDE
+  {
+    return MouseEventBinding::Wrap(aCx, this);
+  }
+
+  // Web IDL binding methods
+  virtual uint32_t Which() MOZ_OVERRIDE
+  {
+    return Button() + 1;
+  }
+
+  int32_t ScreenX();
+  int32_t ScreenY();
+  int32_t ClientX();
+  int32_t ClientY();
+  bool CtrlKey();
+  bool ShiftKey();
+  bool AltKey();
+  bool MetaKey();
+  int16_t Button();
+  uint16_t Buttons();
+  already_AddRefed<EventTarget> GetRelatedTarget();
+  void InitMouseEvent(const nsAString& aType, bool aCanBubble, bool aCancelable,
+                      nsIDOMWindow* aView, int32_t aDetail, int32_t aScreenX,
+                      int32_t aScreenY, int32_t aClientX, int32_t aClientY,
+                      bool aCtrlKey, bool aAltKey, bool aShiftKey,
+                      bool aMetaKey, uint16_t aButton,
+                      EventTarget* aRelatedTarget, ErrorResult& aRv)
+  {
+    aRv = InitMouseEvent(aType, aCanBubble, aCancelable,
+                         aView, aDetail, aScreenX, aScreenY,
+                         aClientX, aClientY, aCtrlKey, aAltKey,
+                         aShiftKey, aMetaKey, aButton,
+                         aRelatedTarget);
+  }
+  bool GetModifierState(const nsAString& aKeyArg)
+  {
+    return GetModifierStateInternal(aKeyArg);
+  }
+  static already_AddRefed<MouseEvent> Constructor(const GlobalObject& aGlobal,
+                                                  const nsAString& aType,
+                                                  const MouseEventInit& aParam,
+                                                  ErrorResult& aRv);
+  int32_t MozMovementX()
+  {
+    return GetMovementPoint().x;
+  }
+  int32_t MozMovementY()
+  {
+    return GetMovementPoint().y;
+  }
+  float MozPressure() const;
+  uint16_t MozInputSource() const;
+  void InitNSMouseEvent(const nsAString& aType,
+                        bool aCanBubble, bool aCancelable,
+                        nsIDOMWindow* aView, int32_t aDetail, int32_t aScreenX,
+                        int32_t aScreenY, int32_t aClientX, int32_t aClientY,
+                        bool aCtrlKey, bool aAltKey, bool aShiftKey,
+                        bool aMetaKey, uint16_t aButton,
+                        EventTarget* aRelatedTarget,
+                        float aPressure, uint16_t aInputSource,
+                        ErrorResult& aRv)
+  {
+    aRv = InitNSMouseEvent(aType, aCanBubble, aCancelable,
+                           aView, aDetail, aScreenX, aScreenY,
+                           aClientX, aClientY, aCtrlKey, aAltKey,
+                           aShiftKey, aMetaKey, aButton,
+                           aRelatedTarget, aPressure, aInputSource);
+  }
+
+protected:
+  nsresult InitMouseEvent(const nsAString& aType,
+                          bool aCanBubble,
+                          bool aCancelable,
+                          nsIDOMWindow* aView,
+                          int32_t aDetail,
+                          int32_t aScreenX,
+                          int32_t aScreenY,
+                          int32_t aClientX,
+                          int32_t aClientY,
+                          int16_t aButton,
+                          nsIDOMEventTarget* aRelatedTarget,
+                          const nsAString& aModifiersList);
+};
+
+} // namespace dom
+} // namespace mozilla
+
+#define NS_FORWARD_TO_MOUSEEVENT \
+  NS_FORWARD_NSIDOMMOUSEEVENT(MouseEvent::) \
+  NS_FORWARD_TO_UIEVENT
+
+#endif // mozilla_dom_MouseEvent_h_